WO2003085391A1 - Technique d'inspection aux rayons x d'un pneumatique et appareil a cet effet - Google Patents
Technique d'inspection aux rayons x d'un pneumatique et appareil a cet effet Download PDFInfo
- Publication number
- WO2003085391A1 WO2003085391A1 PCT/JP2003/004329 JP0304329W WO03085391A1 WO 2003085391 A1 WO2003085391 A1 WO 2003085391A1 JP 0304329 W JP0304329 W JP 0304329W WO 03085391 A1 WO03085391 A1 WO 03085391A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ray
- tire
- image
- transmitted
- irradiating means
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/028—Tyres using X-rays
Definitions
- the present invention relates to a method and an apparatus for inspecting the inside of a tire by X-rays. Background art
- a tire is taken out of a line, a transmission X-ray image of the tire is taken by an X-ray imaging device, and an operator determines a tire component from the transmission X-ray image of the tire obtained above.
- the quality of the tire is judged by visually checking the condition of the beat wire and the intrusion of foreign matters such as minute metals and pebbles into the tire. In this way, removing tires one by one requires stopping the product line for each inspection, which reduces productivity.
- internal inspection of tires is not a sampling inspection. Did not get.
- the pass / fail judgment work is visually inspected by the worker, so that the judgment result is liable to be influenced by the proficiency of the worker and the like, and there is also a problem that individual differences are likely to occur.
- the inventors have proposed in Japanese Patent Application Laid-Open No. 2000-249665 a method of automatically performing an internal inspection of all the tires.
- the X-ray tube 2 and the X-ray tube 2 are driven to a predetermined position above the roll conveyor 1 for transporting the vulcanized tire 10.
- the X-ray generator 3 is arranged, and the X-ray line sensor 4 is arranged along the gap between the adjacent ports 1R, 1R below the roll conveyor 1, corresponding to the X-ray tube 2.
- X-rays emitted from the X-ray tube 2 and transmitted through the tire 10 conveyed by the roll conveyor 1 are detected by the X-ray line sensor 4 so that the transmitted X-ray image of the above-mentioned X-ray is continuously obtained.
- the transmitted X-ray image obtained above is sent to the image processing section 50a of the tire internal image inspection means 50 for image processing, and stored in the storage means 5Ob in advance by the determination section 50c.
- the X-ray image of a normal tire is compared with the obtained image to determine the quality of the tire 10.
- 6 is a slit for narrowing the optical path of the irradiated X-ray
- 7 and 8 are a lead shield box and a lead force that are installed to prevent the X-ray from leaking out of the measurement area.
- the blind spot area of the above metal member is a shadow on the image processing, as shown by the black part in the figure, the blind spot area 1 lx ⁇ ⁇ ⁇ blind spot area 12 x by the tread belt 12 shown by the beat wire 11.
- the transport of the tire 10 is temporarily stopped, the tire 10 to be inspected is gripped by the chuck 15, and a transmission X-ray image is taken while rotating the tire 10.
- a method of separately taking a transmission X-ray image of the part that has entered the blind spot area llx, 12X is conceivable, it is not a practical method because the inspection time is significantly increased.
- the present invention has been made in view of the conventional problems, and provides a tire X-ray inspection method and apparatus capable of accurately and efficiently inspecting the inside of a tire even with a tire having a small flatness. The purpose is to. Disclosure of the invention
- FIG. 10 As a result of intensive studies, as shown in FIG. 10, when the present inventors irradiate X-rays from directly above the tire end 10a, the half of the transmitted X-ray image of the tire 10 is shown in FIG. — It has been found that the blind spot areas 1 lx and 12 x due to the tread 11 tread belt 12 have been minimized, and have arrived at the present invention. That is, the invention described in claim 1 of the present invention inspects the inside of the tire using a transmitted X-ray image of the tire obtained by irradiating the conveyed tire with X-rays by X-ray irradiating means.
- the X-ray inspection method for a tire is characterized in that the X-ray is irradiated from at least two places on the tire as an object to take a transmission X-ray image of the tire. This makes it possible to obtain an X-ray image with few shadows such as a beat wire and a tread belt, so that the inside of the tire can be inspected accurately.
- the invention according to claim 2 provides the X-ray inspection method for evening tires according to claim 1, wherein the outer diameter of the transported tire is measured, and the X-ray inspection is performed in accordance with the measurement result. The position of the line irradiation means is changed.
- the invention according to claim 3 is the tire X-ray inspection method according to claim 2, wherein the X-ray irradiating means is located at a predetermined distance inside a position corresponding to the measured outer diameter of the tire. It is characterized by being arranged in.
- the invention described in claim 4 is a method for inspecting an X-ray of a tire according to any one of claims 1 to 3, wherein two of the photographed transmitted X-ray images of the tire are obtained. Then, a transmission X-ray image of the entire tire is created by combining the transmission X-ray images of the half near the X-ray irradiating means, and the inside of the tire is inspected using the combined transmission X-image of the tire. It is characterized by doing so.
- the invention according to claim 5 is the X-ray inspection method for a tire according to claim 1, wherein the step of measuring an outer diameter of a tire to be conveyed includes: Positioning the X-ray irradiating means on the basis of data on the outer diameter of the tire, at positions facing each other by a distance of 2 to 3 cm inside the measured outer diameter of the tire, Take two steps of the step of taking the transmitted X-ray image of the above-mentioned tire by X-ray irradiating means and the above-mentioned transmitted X-ray image of the tire, and take the half on the side close to the X-ray irradiating means.
- a transmission X-ray image of the entire tire by combining the transmission X-ray images of the tires, and a step of inspecting the inside of the tire based on the synthesized transmission X-ray image of the entire tire. .
- the invention according to claim 6 is a means for transporting the tire, an X-ray irradiating means for irradiating the transported X-ray to the conveyor, and an X-ray for capturing a transmitted X-ray image of the tire.
- An X-ray inspection apparatus for inspecting the inside of the tire using a transmitted X-ray image obtained by imaging with the X-ray sensor, wherein the X-ray irradiating means is a conveyed roller. It is installed at and opposite to at least two locations to capture transmitted X-ray images of the tire.
- the invention according to claim 7 is the tire X-ray inspection apparatus according to claim 6, in which two of the photographed transmitted X-ray images of the tire are taken and are close to the X-ray irradiating means.
- Image combining means for combining the transmitted X-ray images on the side, and determining means for judging the quality of the tire using the transmitted X image of the entire tire combined by the image combining means.
- the invention according to claim 8 is the tire X-ray inspection apparatus according to claim 6 or ⁇ , wherein a means for measuring a diameter of a tire to be conveyed is provided, and the X-ray irradiation means is moved. Means for causing the X-ray irradiating means to be disposed at a predetermined distance inside the measured outer diameter of the tire.
- the invention according to claim 9 is the tire X-ray inspection apparatus according to any one of claims 6 to 8, in order to minimize the influence of the tread belt portion having the largest effect on the blind spot area.
- each of the X-ray irradiating means is disposed at a position opposed to a position inside the inner peripheral portion of the tread belt.
- the invention according to claim 10 is the tire X-ray inspection apparatus according to any one of claims 6 to 9, wherein one of the X-ray irradiating means and the tire by the X-ray irradiating means are used.
- the X-ray sensor that captures the transmitted X-ray image is located at a predetermined distance from the position of the other X-ray irradiating means and X-ray sensor in the evening conveyance direction. Since the irradiation areas of the rays do not overlap, a more accurate transmission X-ray image of the tire can be obtained.
- the invention according to claim 11 is the tire X-ray inspection apparatus according to any one of claims 6 to 10, wherein the X-ray sensor is an X-ray line sensor.
- the X-ray irradiating means is provided with a shield plate having a slit extending from the center to the inside of the tire and having a slit parallel to the extending direction of the X-ray line sensor. Can be minimized, and the overlap of the X-ray irradiation areas from the two X-ray irradiation means can be eliminated.
- the invention according to Claim 12 is the tire X-ray inspection apparatus according to any one of Claims 6 to 11, wherein the X-ray irradiating means includes: It is located at a height that includes the entire tire, so that even if one X-ray irradiating unit fails, the other X-ray irradiating unit is placed above or at the other end of the tire. It is possible to cover the above failure by moving it to the lower part.
- the invention according to claim 13 is the tire X-ray inspection apparatus according to any one of claims 6 to 12, wherein the interval between the two X-ray irradiation means can be changed. Thus, it becomes possible to easily perform internal inspection of tires of various sizes. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a diagram showing an outline of an X-ray inspection apparatus for a sunset according to the best mode of the present invention.
- FIG. 2 is a diagram showing an example of the arrangement of X-ray irradiation means according to the present best mode.
- FIG. 3 is a flowchart showing a method of X-ray inspection of a tire according to the best mode of the present invention.
- FIG. 4 is a diagram showing a transmission X-ray image of a sunset according to the best mode.
- FIG. 5 is a diagram showing an example of a method for evaluating a blind spot area.
- FIG. 6 is a diagram showing evaluation results of a blind spot area.
- FIG. 7 is a diagram showing an outline of a conventional tire X-ray inspection apparatus.
- FIG. 8 is a view showing a transmitted X-ray image of a tire by a conventional X-ray inspection apparatus.
- FIG. 9 is a diagram showing another example of the X-ray inspection method for evening waves.
- FIG. 10 is a diagram showing the measurement principle of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- BEST MODE FOR CARRYING OUT THE INVENTION the best mode of the present invention will be described with reference to the drawings.
- FIG. 1 is a diagram showing an outline of a tire X-ray inspection apparatus according to the best mode of the present invention.
- reference numeral 1 denotes a roll conveyer for transporting vulcanized tires 10, and 7 denotes irradiation described later.
- X-rays and reflections A lead shield box installed so as to surround the roll conveyor 1 from above so as not to leak X-rays from the measurement area to the outside.8 is a passage for the tire 10 of the lead shield box 7 It is a lead curtain provided in the section.
- 2a and 2b are a pair of X-ray tubes installed at predetermined positions on the X-ray source mounting base 9 installed on the ceiling of the lead shield box 7, and 3 is placed on the X-ray source mounting base 9 X-ray generators for driving the X-ray tubes 2a and 2b are provided.
- 4a and 4b correspond to the X-ray tubes 2a and 2b and are adjacent rolls below the roll conveyor 1.
- An X-ray line sensor 5 arranged along the gap between 1R and 1R is an image processing unit 5 for combining and transmitting the transmitted X-ray images obtained by the X-ray line sensors 4a and 4b.
- a storage means 5b for storing an X-ray image of a normal tire
- a determination unit 5 for comparing the X-ray image of the normal tire with the obtained image to determine the quality of the tire 10
- the relative distance between the X-ray tubes 2a and 2b can be changed so as to be able to cope with the internal inspection of tires of various sizes.
- Each of the tires 10 is installed so as to be located immediately above the opposing ends thereof, that is, immediately above the passing point of the opposing tire ends of the transported tire.
- the outer diameter of the transported tire 10 before inspection is measured by, for example, a length measuring means such as a distance sensor S, S and the like.
- the X-ray tubes 2a and 2b are arranged inside by 2 to 3 cm from the outer diameter of the tire by a moving means that does not move. Since this position is almost directly above the inside of the inner peripheral portion of the tread belt, which has the greatest influence on the blind spot area, the influence of the tread belt can be minimized.
- the position of one X-ray tube 2b is shifted by a predetermined distance in the transport direction from the position of the other X-ray tube 2a so that the irradiation areas of the X-rays from the X-ray tubes 2 & and 2b do not overlap. Stagger At the same time, the position of the X-ray line sensor 4b that captures the transmitted X-ray image by the X-ray tube 2b is adjusted accordingly. It is installed shifted by a predetermined distance in the transport direction from the position.
- the X-ray tubes 2a, 2b are not shown.
- the X-ray irradiation range can be reduced to the minimum necessary, and the overlap of the X-ray irradiation areas from the X-ray tubes 2a and 2b can be eliminated, so that clear X-rays can be transmitted. Images can be obtained.
- the outer diameter of the transported tire 10 is measured by length measuring means such as distance sensors S, S (step S1), and based on the measured outer diameter of the tire 10, the X-ray is measured.
- Each of the tubes 2a and 2b is almost directly above the inner circumference of the tread belt and almost 2 to 3 cm above the position where the measured maximum outer diameter of the above-mentioned sheather is located.
- Step S2 a transmission X-ray image of the tire 10 transported into the lead shield box 7, which is the inspection location, is taken.
- the tires 10 conveyed from the X-ray tubes 2a and 2b installed immediately above the tire ends facing each other are irradiated with X-rays, respectively.
- the line sensors 4a and 4b respectively capture the transmitted X-ray images 10L and 10R of the left and right halves of the tire 10 and send them to the image processing unit 5a of the tire internal image means 5 (step S3). ).
- step S4 of the transmitted X-ray images of the two tires captured above.
- the transmitted X-ray images of the half near the X-ray tubes 2a and 2b are combined with each other to create a transmitted X image of the entire tire (step S4).
- the transmitted X-ray images 10 L, 1 OR taken by irradiating X-rays from directly above the tire ends 10 a, 1 Ob are, as shown in FIG. ⁇
- the blind spot areas 1 lx, 1 2 x are synthesized by synthesizing the transmission X-ray images 10 L, 1 OR. It is possible to obtain an image inside the tire with the size of the tire minimized.
- the determination unit 5c of the tire internal image inspection unit 5 compares the X-ray image of a normal tire stored in the storage unit 5b with the obtained image in the determination unit 5c of the tire (5).
- the quality of the tire 10 is determined by determining whether there is a foreign substance having a size equal to or larger than a predetermined value (step S6).
- the transmitted X-ray image 10 L in this image p ' can be detected as a q 5, it is possible to significantly improve the accuracy of the internal inspection of the tire (X-ray examination).
- all the internal inspections of the tires can be automatically performed accurately without stopping the line, so that the X-ray inspection of the tire can be efficiently performed. Since the blind spot area increases as the tire becomes flatter, the X-ray inspection method for a tire according to the present invention is particularly effective for a flat tire.
- the storage means 5b of the tire internal image inspection means 5 is omitted, and the size and the number of foreign substances and the like in the tire internal image are calculated by the image processing unit 5a, and are determined by the determination unit 5c.
- the quality of the tire 10 may be determined by determining whether the size or the number of the foreign matter or the like satisfies a preset standard.
- the evening image inspection means 5 is only the image processing section 5a, and the inside image of the tire is displayed on a display or the like, and the worker uses the displayed inside image of the tire to display the tire image. May be determined.
- X-ray tubes may be arranged at three or more places, and the transmitted tire 10 may be irradiated with X-rays to photograph a transmitted X-ray image to generate a transmitted X-ray image of the entire tire.
- the X-ray tubes 2a and 2b are arranged at a height at which the X-ray irradiation range includes at least the entire tire 10.
- the other X-ray irradiating unit is moved to a position immediately above the center of the tire 10 so that the entire image of the tire 10 is photographed. Can be covered.
- the above X-ray tubes 2a and 2b Is located at a position that is approximately 1.3 m from the cross-sectional position where the tire 10 has the maximum outer diameter.
- FIG. 6 (a) shows a transmitted X-ray image of the tire 10Z taken by the X-ray inspection apparatus according to the present invention.
- Fig. 6 (b) shows a transmitted X-ray image of the same tire 10Z taken by a conventional X-ray inspection apparatus with one X-ray source.
- the X-ray transmitted through the tire is photographed by an X-ray sensor to inspect the inside of the tire, Radiated from at least two places on the subject's sunset, and a transmission X-ray image of the tire was taken.
- An X-ray image with few easy-to-access points can be obtained, and the inside of the tire can be inspected accurately. Therefore, the internal inspection of all the tires can be performed accurately and efficiently without stopping the line.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- Analysing Materials By The Use Of Radiation (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03745916A EP1494018B1 (en) | 2002-04-05 | 2003-04-04 | Method and device for x-ray inspection of tire |
US10/509,956 US7076022B2 (en) | 2002-04-05 | 2003-04-04 | Method and device for X-ray inspection of tire |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002103263A JP4184694B2 (ja) | 2002-04-05 | 2002-04-05 | タイヤのx線検査方法及びその装置 |
JP2002-103263 | 2002-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003085391A1 true WO2003085391A1 (fr) | 2003-10-16 |
Family
ID=28786292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/004329 WO2003085391A1 (fr) | 2002-04-05 | 2003-04-04 | Technique d'inspection aux rayons x d'un pneumatique et appareil a cet effet |
Country Status (5)
Country | Link |
---|---|
US (1) | US7076022B2 (ja) |
EP (1) | EP1494018B1 (ja) |
JP (1) | JP4184694B2 (ja) |
ES (1) | ES2367107T3 (ja) |
WO (1) | WO2003085391A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020111099A (ja) * | 2019-01-09 | 2020-07-27 | 横浜ゴム株式会社 | 空気入りタイヤの検査方法及び空気入りタイヤの検査装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4632812B2 (ja) * | 2005-03-03 | 2011-02-16 | 株式会社ブリヂストン | タイヤ側壁部の内部欠陥検査装置 |
CN101173907B (zh) * | 2006-11-02 | 2010-06-23 | 张芝泉 | 工程轮胎x光检测机 |
JP5559471B2 (ja) * | 2008-11-11 | 2014-07-23 | 浜松ホトニクス株式会社 | 放射線検出装置、放射線画像取得システム、放射線検査システム、及び放射線検出方法 |
DE102010051774B4 (de) * | 2010-11-18 | 2018-07-19 | Yxlon International Gmbh | Röntgenzeilendetektor |
DE102011013513A1 (de) * | 2011-03-10 | 2012-09-13 | Yxlon International Gmbh | Räderprüfanlage mit mehreren Prüfvorrichtungen sowie Verfahen zur Prüfung von Rädern |
RU2618571C2 (ru) * | 2012-04-11 | 2017-05-04 | Пирелли Тайр С.П.А. | Способ и устройство контроля шин в производственной линии |
JP5943810B2 (ja) * | 2012-10-31 | 2016-07-05 | 三菱重工マシナリーテクノロジー株式会社 | タイヤの電気抵抗測定装置 |
KR101263750B1 (ko) * | 2012-12-07 | 2013-05-13 | 주식회사 이이더불유코리아 | 파이프의 용접라인 검사용 x선 비파괴 검사 장치 |
JP6909136B2 (ja) * | 2017-11-30 | 2021-07-28 | Toyo Tire株式会社 | ゴム材料の接触状態解析方法 |
CN110243292B (zh) * | 2019-06-13 | 2022-03-18 | 无锡先导智能装备股份有限公司 | 分切系统及分切检测方法 |
JP7411984B2 (ja) * | 2019-09-24 | 2024-01-12 | 株式会社イシダ | 検査装置 |
CN110672021B (zh) * | 2019-10-28 | 2021-08-13 | 金迪(聊城市)知识产权运营有限公司 | 钢管分区段壁厚测量系统 |
ZA202100747B (en) * | 2020-09-18 | 2022-12-21 | Eclectic Services Company Pty Ltd | A low-cost system for inspecting the integrity of a wheel rim |
JP2024083129A (ja) * | 2022-12-09 | 2024-06-20 | 株式会社ブリヂストン | タイヤ無線タグ位置検査方法、タイヤ無線タグ位置検査装置、及びタイヤ無線タグ位置検査プログラム |
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JPS5329790A (en) * | 1976-09-01 | 1978-03-20 | Toshiba Corp | Nonndestructive inspecting apparatus |
JPH10267867A (ja) * | 1997-03-25 | 1998-10-09 | Hitachi Medical Corp | X線検査装置 |
JP2000241367A (ja) * | 1999-02-23 | 2000-09-08 | Stabic:Kk | X線検査装置 |
JP2000249665A (ja) * | 1999-03-03 | 2000-09-14 | Bridgestone Corp | タイヤの内部検査方法及び装置 |
JP2000338057A (ja) * | 1999-05-26 | 2000-12-08 | Hitachi Eng Co Ltd | タイヤプライコード検査装置および検査方法 |
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US3843888A (en) * | 1972-05-19 | 1974-10-22 | Picker Corp | Method and apparatus for inspecting tires |
US4032785A (en) * | 1974-03-28 | 1977-06-28 | United States Steel Corporation | Tire inspection machine presenting an x-ray image of the entire width of the tire |
DE3843408C2 (de) * | 1988-12-23 | 1995-07-20 | Collmann Gmbh & Co | Vorrichtung zum Röntgenprüfen von KFZ-Reifen |
US5687209A (en) * | 1995-04-11 | 1997-11-11 | Hewlett-Packard Co. | Automatic warp compensation for laminographic circuit board inspection |
EP1043578B1 (de) * | 1999-04-09 | 2004-10-13 | Steinbichler Optotechnik Gmbh | Optisches Prüfgerät für Reifen |
-
2002
- 2002-04-05 JP JP2002103263A patent/JP4184694B2/ja not_active Expired - Fee Related
-
2003
- 2003-04-04 EP EP03745916A patent/EP1494018B1/en not_active Expired - Lifetime
- 2003-04-04 US US10/509,956 patent/US7076022B2/en not_active Expired - Lifetime
- 2003-04-04 ES ES03745916T patent/ES2367107T3/es not_active Expired - Lifetime
- 2003-04-04 WO PCT/JP2003/004329 patent/WO2003085391A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5329790A (en) * | 1976-09-01 | 1978-03-20 | Toshiba Corp | Nonndestructive inspecting apparatus |
JPH10267867A (ja) * | 1997-03-25 | 1998-10-09 | Hitachi Medical Corp | X線検査装置 |
JP2000241367A (ja) * | 1999-02-23 | 2000-09-08 | Stabic:Kk | X線検査装置 |
JP2000249665A (ja) * | 1999-03-03 | 2000-09-14 | Bridgestone Corp | タイヤの内部検査方法及び装置 |
JP2000338057A (ja) * | 1999-05-26 | 2000-12-08 | Hitachi Eng Co Ltd | タイヤプライコード検査装置および検査方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020111099A (ja) * | 2019-01-09 | 2020-07-27 | 横浜ゴム株式会社 | 空気入りタイヤの検査方法及び空気入りタイヤの検査装置 |
JP7218580B2 (ja) | 2019-01-09 | 2023-02-07 | 横浜ゴム株式会社 | 空気入りタイヤの検査方法及び空気入りタイヤの検査装置 |
Also Published As
Publication number | Publication date |
---|---|
US20050175146A1 (en) | 2005-08-11 |
JP4184694B2 (ja) | 2008-11-19 |
ES2367107T3 (es) | 2011-10-28 |
JP2003294655A (ja) | 2003-10-15 |
EP1494018A4 (en) | 2006-07-05 |
EP1494018A1 (en) | 2005-01-05 |
US7076022B2 (en) | 2006-07-11 |
EP1494018B1 (en) | 2011-06-08 |
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